Writing instrument



FIG. 1 is a front elevational view of the writing instrument according to the present invention;

FIG. 2 is a right side elevational view of the writing instrument of FIG. 1, the left side being a mirror image of the right side;

FIG. 3 is a rear elevational view of the writing instrument of FIG. 1;

FIG. 4 is a top plan view of the writing instrument of FIG. 1;

FIG. 5 is a bottom plan view of the writing instrument of FIG. 1;

FIG. 6 is a perspective view of the writing instrument of FIG. 1, with a writing tip of the writing instrument being projected;

FIG. 7 is an enlarged sectional view of the writing instrument of FIG. 1, taken on a plane indicated in FIG. 1 by a line 7—7, in which an internal mechanism of the writing instrument is removed for clarity of illustration;

FIG. 8 is an enlarged sectional view of the writing instrument of FIG. 1, taken on a plane indicated in FIG. 1 by a line 8—8, in which the internal mechanism of the writing instrument is removed for clarity of illustration;

FIG. 9 is an enlarged sectional view of the writing instrument of FIG. 1, taken on a plane indicated in FIG. 1 by a line 9—9, in which the internal mechanism of the writing instrument is removed for clarity of illustration; and,

FIG. 10 is an enlarged sectional view of the writing instrument of FIG. 1, taken on a plane indicated in FIG. 1 by a line 10—10, in which the internal mechanism of the writing instrument is removed for clarity of illustration. 

The ornamental design for a writing instrument, as shown and described. 